Fastener for attaching cords to branches of glasses in industry of automobile accessories, has central ring and side rings including empty dredges, where fastener is formed integrally from single piece for passage of branches

摘要

The fastener has a central ring (1) and side rings (2, 3) including empty dredges, where the fastener is formed integrally from a single piece to allow passage of branches with different sizes and diameters by elasticity of material e.g. silicone. An opening of the passage of the branches is lower than the branches for reinforced maintenance, where the fastener has main recess of a pattern and side recesses complementary to the pattern of the main recess.